<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
         .banner{
             width: 760px;
             height: 150px;
             margin: 100px auto 0;
         }
         .nav{
             width: 760px;
             height: 32px;
             margin: 0 auto;
             background: url(img/nav_bg.jpg) repeat-x;
         }
         li{
             list-style: none;
         }
         .nav ul li{
            float: left;
         }
         .nav ul li a{
             display: block;
             width: 80px;
             height: 32px;
             line-height: 32px;
             background: url(img/button1.jpg) no-repeat;
             font-size: 12px;
             color: #405104;
             text-decoration: none;
             text-align: center;
         }
         .nav ul li a:hover{
             background-image: url(img/button2.jpg);
         }
    </style>
</head>
<body>
    <div class="banner">
        <img src="img/banner.jpg">
    </div>
    <div class="nav">
        <ul>
            <li><a href="https://gitee.com">码云</a></li>
            <li><a href="#">网站首页</a></li>
            <li><a href="#">网站首页</a></li>
            <li><a href="#">网站首页</a></li>
            <li><a href="#">网站首页</a></li>
            <li><a href="#">网站首页</a></li>
        </ul>
    </div>
</body>
</html>